CN203602641U - Atomization device for blast-furnace iron notch drill - Google Patents
Atomization device for blast-furnace iron notch drill Download PDFInfo
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- CN203602641U CN203602641U CN201320760874.8U CN201320760874U CN203602641U CN 203602641 U CN203602641 U CN 203602641U CN 201320760874 U CN201320760874 U CN 201320760874U CN 203602641 U CN203602641 U CN 203602641U
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Abstract
The utility model provides an atomization device for a blast-furnace iron notch drill. The atomization device comprises a mist spray unit, an air supply unit and a water supply unit, wherein the air supply unit and the water supply unit are respectively connected with the mist spray unit; the mist spray unit receives water conveyed by the water supply unit and high-pressure compressed air conveyed by the air supply unit, mixes the water and the high-pressure compressed air, and then sprays the obtained mixture. The atomization device provided by the utility model is simple in structure and easy to operate; the operation of the whole atomization system can be controlled just through controlling the pressure of compressed air, so that the atomization device for the blast-furnace iron notch drill is controlled more simply.
Description
Technical field
The utility model relates to a kind of atomisation unit of blast furnace open hole machine.
Background technology
China is Iron and Steel Production big country.The production output of iron and steel has very important status in national economy.The production of iron and steel generally comprises the processes such as ore dressing, sintering, coking, blast furnace (ironmaking), electric furnace or converter (steel-making), continuous casting, rolling.In blast furnace (ironmaking) operation, conventionally need iron perforater to open blast furnace taphole, smelt to realize modernized blast furnace.Existing iron perforater comprises drive unit, drilling tool and pipe section; Drilling tool comprises drilling rod and drill bit; Pipe section comprises hydraulicefficiency pipeline and pressurized gas main line and cooling fluid main line.
The principle of work of existing iron perforater is as follows: drive unit is responsible for drilling tool to deliver to working position by stand, utilizes rotation and impact rapping machine feeding aggregate motion to drive drilling rod, drill bit drilling iron mouth bubble mud to form iron mouth pore passage, emits slag iron in stove.Because the iron mouth pore passage degree of depth reaches 2-3 rice, and in high-temperature area, when tapping outlet, drilling rod must have wind that plaster is blown out, guarantee drilling rod constantly pierces iron mouth pore passage, and drilling rod, drill bit will keep certain cooling intensity, otherwise drilling rod, drill bit are subject to the impact of iron mouth channel interior comparatively high temps, rigidity and the strength decreased of drilling rod machine drill head even produce distortion.The problem that cools of blast furnace open hole driver drilling rod, drill bit is along with the raising of blast furnace maximization machine combustion intensity draws attention gradually.Medium and small blast furnace open hole machine uses pure gas cooling, but causes stokehold Environmental Dust to fill the air; Large blast furnace uses atomisation unit to lower the temperature, and atomisation unit, by being transported to drill bit ejection after gas-vapor mix, can easily have been realized and plaster having been blown out and object to drill bit cooling down.But current blast furnace open hole machine atomisation unit ordering cost is high, area occupied is larger, and structure is too complicated, requires air and water coolant precision higher, and failure rate is high, is easy to cause gas, water ratio inhomogeneous.Once gas, water ratio coordinate the bad iron mouth pore passage ponding splash accident of blasting that very easily causes, and threaten the personnel safety of operating worker, cause that iron mouth difficulty is opened, drilling rod consumption is large, blast furnace production cost is increased.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, and a kind of atomisation unit that needs the compressed-air actuated air pressure of control just can control the blast furnace open hole machine of the running of whole atomization system is provided.
An atomisation unit for blast furnace open hole machine, this atomisation unit comprises sprayer unit, air supply unit and supplies water unit; Described air supply unit is connected with sprayer unit respectively with confession water unit; Described air supply unit comprises compressed air gas source, pressurized air stopping valve and compressed air regulating valve, and described compressed air regulating valve one end is connected with sprayer unit by pipeline, and the other end is connected with compressed air gas source by pressurized air stopping valve; The described water unit that supplies comprises atomization water tank, is arranged on inlet pressure adjusting valve and the water-in on atomization water tank top and is arranged on the discharge pressure stopping valve of atomization water tank bottom; Described atomization water tank is connected with compressed air gas source by inlet pressure adjusting valve; Described water-in is connected with water source by pipeline; Described atomization water tank is connected with sprayer unit by discharge pressure stopping valve.The utility model is simple in structure, and easily operation only needs to control compressed-air actuated air pressure with regard to controlling the running of whole atomization system, and the atomisation unit of blast furnace open hole machine is controlled more simply.
Further, described sprayer unit comprises Y-junction and metallic hose; Two imports of described Y-junction are connected with compressed air regulating valve with described discharge pressure stopping valve respectively, the described Y-junction water of all pressing by pressurized air in atomization water tank that is connected with metallic hose, be combined with pressurized air at Y-junction place, form atomization aqueous vapor; Atomization aqueous vapor passes to taphole drilling machine main frame place through atomization metal flexible pipe, then is sprayed by the drill bit place that taphole drilling machine main frame is delivered to taphole drilling machine drilling rod front end, reaches and reduces drilling rod, temperature of diamond bit, reduces the object of dust.
Further, the described water unit that supplies also comprises intake pressure stopping valve, and described intake pressure stopping valve one end is connected with compressed air gas source by pipeline, and the other end is connected with inlet pressure adjusting valve by pipeline.Intake pressure stopping valve and inlet pressure adjusting valve are used in conjunction with, and after inlet pressure adjusting valve regulates, generally no longer regulate, if want to close the air inlet of atomization water tank, only close atomization water tank intake pressure stopping valve.
Further, the described water unit that supplies also comprises discharge pressure variable valve, and this discharge pressure variable valve is arranged between atomization water tank and discharge pressure stopping valve, and is connected with atomization water tank and discharge pressure stopping valve by pipeline respectively.Discharge pressure variable valve can regulate atomization water tank discharge pressure, regulate atomization water tank aquifer yield number, to reach the object that regulates atomizing concentration.
Further, describedly also comprise into water stopping valve for water unit, this water inlet stopping valve one end is connected with water-in by pipeline, and the other end is connected with water source by pipeline.Whether water inlet stopping valve can conveniently be controlled allows water flow in atomization water tank.
Further, the described water unit that supplies also comprises vent valve, and this vent valve is arranged on the top of atomization water tank, and is connected with atomization water tank by pipeline.When adding water in atomization water tank, this valve is opened, and proves that in atomization water tank, water is filled it up with in the time that this valve has water to go out.In all the other situations, this valve is closing condition.
Further, the described water unit that supplies also comprises wash water valve, and described wash water valve is arranged on the bottom of described atomization water tank, and is connected with atomization water tank by pipeline.Regularly open this valve, impurity in atomization water tank is discharged, to prevent that the impurity in atomization water tank from blocking rising pipe, have influence on the effect of atomization.
In order to understand more clearly the present invention, set forth the specific embodiment of the present invention below with reference to accompanying drawing explanation.
Accompanying drawing explanation
Fig. 1 is the atomisation unit structural representation of the utility model blast furnace open hole machine.
Embodiment
Refer to Fig. 1, it is the atomisation unit structural representation of the utility model blast furnace open hole machine.An atomisation unit for blast furnace open hole machine, this atomisation unit comprises for water unit 10, air supply unit 20 and sprayer unit 30; The described water unit 10 that supplies is connected with sprayer unit 30 by pipeline respectively with air supply unit 20, the pressurized air that the high pressure water that described sprayer unit 30 receptions are carried for water unit 10 and air supply unit 20 are carried, and make to spray after high pressure water and pressurized air mixed aerosol.
Described confession water unit 10 comprises atomization water tank 11, vent valve 12, inlet pressure adjusting valve 13, intake pressure stopping valve 14, is arranged on the water-in 15 on atomization water tank top, water inlet stopping valve 16, wash water valve 17, discharge pressure variable valve 18 and discharge pressure stopping valve 19.Described vent valve 12 and inlet pressure adjusting valve 13 are separately positioned on the top of atomization water tank 11, and are connected with atomization water tank 11 by pipeline respectively; Described water-in 15 is connected with water source by water inlet stopping valve 16; Described intake pressure stopping valve 14 one end are connected with compressed air gas source 23 by pipeline, and the other end is connected with inlet pressure adjusting valve 13 by pipeline; The adjustable intake pressure that enters into atomization water tank 11 compressed airs of described inlet pressure adjusting valve 13; Described wash water valve 17 and discharge pressure variable valve 18 are separately positioned on the bottom of described atomization water tank 11, and are connected with atomization water tank 11 by pipeline respectively; Described discharge pressure stopping valve 19 one end are connected with discharge pressure variable valve 18 by pipeline, and the other end is connected with sprayer unit 30 by pipeline.
Described air supply unit 20 comprises pressurized air stopping valve 22, compressed air regulating valve 21 and compressed air gas source 23, described compressed air regulating valve 21 one end are connected with sprayer unit 30 by pipeline, the other end is connected with pressurized air stopping valve 22 by pipeline, and described pressurized air ends 21 the other ends and is connected with compressed air gas source 23.The adjustable air pressure that enters sprayer unit 30 compressed airs of described compressed air regulating valve 22, described pressurized air stopping valve 21 is controlled compressed-air actuated opening and closing.
Described sprayer unit 30 comprises Y-junction 31, metallic hose 32.Iron perforater main frame 33, be arranged on the drilling rod 34 of iron perforater front end and be arranged on the drill bit 35 of drilling rod front end; Two imports of described Y-junction 33 are connected with compressed air regulating valve 21 with described discharge pressure stopping valve 19 respectively, and the outlet of Y-junction 31 is connected with metallic hose 32 by pipeline; The water that atomization water tank is 11 li and pressurized air are mixed to form atomization aqueous vapor at Y-junction 31 places, and atomization aqueous vapor through drilling rod 34, sprays atomization aqueous vapors from the drill bit 35 that is arranged on drilling rod 34 front ends after metallic hose 32 transfers to taphole drilling machine main frame 33.
Below will introduce in detail principle of work of the present utility model:
Atomization water (blast furnace water at atmospheric pressure pressure is 0.2Mpa) is introduced to atomization water tank 11 by water inlet stopping valve 16, and now, other valves are all closed, and only have vent valve 12 and water inlet stopping valve 16 to open.After water fills atomization water tank 11, close vent valve 12, water inlet stopping valve 16, open inlet pressure adjusting valve 13, intake pressure stopping valve 14, compressed air regulating valve 21, pressurized air stopping valve 22, discharge pressure variable valve 18, discharge pressure stopping valve 19, high velocity air enters Y-junction 31, to drive the water in atomization water tank 11 to flow to Y-junction 31, high velocity air and water, in Y-junction 31 and the interior mutual collision of metallic hose 32, form atomization aqueous vapor.Because atomization water tank 11 internal gas pressures are equal with Y-junction 31, thereby compressed air at a high speed can not poured in down a chimney in nearly atomization water tank 11.Atomization aqueous vapor passes to taphole drilling machine main frame 33 places through metallic hose 32, then is sprayed by drill bit 35 places that taphole drilling machine main frame 33 is delivered to taphole drilling machine drilling rod 34 front ends, reduces drilling rod, temperature of diamond bit to reach, and reduces the object of dust.
Supply the size of the inlet pressure adjusting valve 13 of water unit 10 can control the size of atomization water tank 10 discharge pressures by change.In the time that Y-junction 31 place's hydraulic pressure equate with pressurized air air pressure, air-flow at a high speed and water mutually collide and form atomization aqueous vapor in metallic hose.In the time that atomization water tank 11 water outlet hydraulic pressure are greater than Y-junction 31 place compressed air pressure, the ratio that aqueous vapor atomizing effect water out can account for is more great; If when Y-junction 31 place's compressed air pressures are greater than atomization water tank 11 water outlet hydraulic pressure, the ratio that aqueous vapor atomizing effect gas can account for is more great.The adjusting of hydraulic pressure and air pressure, determines according to blast furnace field condition situation, after generally regulating just without regulating again.
With respect to prior art, the utility model is simple in structure, and easily operation only needs to control compressed-air actuated air pressure with regard to controlling the running of whole atomization system, and the atomisation unit of blast furnace open hole machine is controlled more simply.Because the exit water at Y-junction and pressurized air have been fused to atomization aqueous vapor, so taphole drilling machine does not need to reselect supporting with it model, make the utility model can be applied in different iron perforaters.
The present invention is not limited to above-mentioned embodiment, if various changes of the present invention or distortion are not departed to the spirit and scope of the present invention, if within these changes and distortion belong to claim of the present invention and equivalent technologies scope, the present invention is also intended to comprise these changes and distortion.
Claims (7)
1. an atomisation unit for blast furnace open hole machine, is characterized in that: comprise sprayer unit, air supply unit and supply water unit; Described air supply unit is connected with sprayer unit respectively with confession water unit; Described air supply unit comprises compressed air gas source, pressurized air stopping valve and compressed air regulating valve, and described compressed air regulating valve one end is connected with sprayer unit by pipeline, and the other end is connected with compressed air gas source by pressurized air stopping valve; The described water unit that supplies comprises atomization water tank, is arranged on inlet pressure adjusting valve and the water-in on atomization water tank top and is arranged on the discharge pressure stopping valve of atomization water tank bottom; Described atomization water tank is connected with compressed air gas source by inlet pressure adjusting valve; Described water-in is connected with water source by pipeline; Described atomization water tank is connected with sprayer unit by discharge pressure stopping valve.
2. the atomisation unit of blast furnace open hole machine according to claim 1, is characterized in that: described sprayer unit comprises Y-junction and metallic hose; Two imports of described Y-junction are connected with compressed air regulating valve with described discharge pressure stopping valve respectively, and described Y-junction is connected with metallic hose.
3. the atomisation unit of blast furnace open hole machine according to claim 1, it is characterized in that: the described water unit that supplies also comprises intake pressure stopping valve, described intake pressure stopping valve one end is connected with compressed air gas source by pipeline, and the other end is connected with inlet pressure adjusting valve by pipeline.
4. the atomisation unit of blast furnace open hole machine according to claim 1, it is characterized in that: the described water unit that supplies also comprises discharge pressure variable valve, this discharge pressure variable valve is arranged between atomization water tank and discharge pressure stopping valve, and is connected with atomization water tank and discharge pressure stopping valve by pipeline respectively.
5. the atomisation unit of blast furnace open hole machine according to claim 4, is characterized in that: describedly also comprise into water stopping valve for water unit, this water inlet stopping valve one end is connected with water-in by pipeline, and the other end is connected with water source by pipeline.
6. the atomisation unit of blast furnace open hole machine according to claim 5, is characterized in that: the described water unit that supplies also comprises vent valve, and this vent valve is arranged on the top of atomization water tank, and is connected with atomization water tank by pipeline.
7. the atomisation unit of blast furnace open hole machine according to claim 1, is characterized in that: the described water unit that supplies also comprises wash water valve, and described wash water valve is arranged on the bottom of described atomization water tank, and is connected with atomization water tank by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760874.8U CN203602641U (en) | 2013-11-26 | 2013-11-26 | Atomization device for blast-furnace iron notch drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760874.8U CN203602641U (en) | 2013-11-26 | 2013-11-26 | Atomization device for blast-furnace iron notch drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203602641U true CN203602641U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320760874.8U Expired - Fee Related CN203602641U (en) | 2013-11-26 | 2013-11-26 | Atomization device for blast-furnace iron notch drill |
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| CN (1) | CN203602641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094974A (en) * | 2020-08-21 | 2020-12-18 | 广东韶钢松山股份有限公司 | Blast furnace taphole spray control method, system and computer readable storage medium thereof |
-
2013
- 2013-11-26 CN CN201320760874.8U patent/CN203602641U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094974A (en) * | 2020-08-21 | 2020-12-18 | 广东韶钢松山股份有限公司 | Blast furnace taphole spray control method, system and computer readable storage medium thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20151126 |